madio 发表于 2019-11-9 23:05

2019HIMCM A题相关资料！

务必仔细研读下面的资料！

chenc2005 发表于 2019-11-12 14:03

仔细阅读原文：
But, what is the impact of “plugging in” our electronics at these “free” charging sites in public places such as airports, railway terminals, schools, libraries, shopping malls, coffee shops, and offices?
似乎不是讲的电动汽车

madio 发表于 2019-11-12 14:21

chenc2005 发表于 2019-11-12 14:03 static/image/common/back.gif
仔细阅读原文：
But, what is the impact of “plugging in” our electronics at these “free” chargin ...

主要是要借鉴电动汽车的分析思路和方法，用的类比！

Jamesccy 发表于 2019-12-25 15:07

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Jamesccy 发表于 2019-12-25 15:08

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2040007061 发表于 2019-12-27 20:53

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